Math MCQ Part-11

Two years ago, the population of a village was 1,000. the Population increased by 10% in the first year and decreased by l0% in the second year, find the present population.

If 15 boys earn Rs. 900 in 5 days, then how much will 20 boys earn in 7 days ?

A train starts from a place A at 8:00 a.m. and arrives at another place B at l : 30 p.m. on the same day. If the speed of the train is 30 km/hr, what will be the distance (in km.) covered by the train ?

A shopkeeper buys an article for 360, He wants to make a gain of 25% on it after a discount of 10%. The marked price is

In what time will 8,000, at 3% per annum, produce the same interest as 6, 000 does in 5 years at 4 % simple interest ?

The average of two numbers is 10 and the product of two numbers is 96. Find the two number

84 Maths books, 90 Physics books and 120 Chemistry books have to be stacked topicwise. How many books will be there in each stack so that each staçk will have the same height too ?

What is the fourth proportional to 16, 24, 8 ?

The difference between the selling prices of an article at 20% profit and 18% loss is Rs. 570. If the article is sold at 12% loss, what is the selling price of the article ?

The compound interest on Rs. 30,000 at 7% per annum for "n" years is Rs. 4347. The value of  "n"  is